Question: Problem 3 A rigid beam is subjected to a linearly distributed load and is supported by three bars, as shown in Figure 3. Bars AB

Problem 3 A rigid beam is subjected to a linearly distributed load and is supported by three bars, as shown in Figure 3. Bars AB and EF are made of steel and bar CD is made of aluminum. The cross-sectional areas are Ay for the steel bars and A, for the aluminum bar. Assuming that all the bars remain elastic, a) Find the value of the distributed load q so that the elongation of the aluminum bar is 6). b) Find the value of the distributed load q so that the minimum elongation of the steel bars is at least 5. Figure 3: Rigid beam supported by three bars. The elastic modulus for steel and aluminum are Ess= 200 GPa, Eai= 70 GPa, respectively. Take Ag = 1000 mm? and A, = 600 mm?. Take a= 1m, 6; = 8mm, 62 = 4mm. Question 13 6 pts lf the compatibility condition is written as 5cp = Co*5ap + C71*5er, find C

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